CPC H02M 1/12 (2013.01) [H02J 3/01 (2013.01); H02M 1/0009 (2021.05); H02M 5/458 (2013.01); H02P 27/08 (2013.01)] | 17 Claims |
1. A bi-directional power converter comprising:
a plurality of input nodes, each input node configured to electrically connect to one phase of a multi-phase AC electrical power distribution network;
an electrical network configured to convert alternating current (AC) to direct current (DC) and to convert DC current to AC current, the electrical network comprising a plurality of electronic switches; and
a control system configured to:
estimate harmonic voltage content at three intermediate nodes in the bi-directional power converter based on a measured electrical quantity; and
control the electronic switches to compensate for the estimated harmonic voltage content.
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